900999
4-Ethynylbenzoic acid
Synonym(s):
4-Carboxyphenylacetylene
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About This Item
Empirical Formula (Hill Notation):
C9H6O2
CAS Number:
Molecular Weight:
146.14
UNSPSC Code:
12352106
NACRES:
NA.22
MDL number:
InChI
1S/C9H6O2/c1-2-7-3-5-8(6-4-7)9(10)11/h1,3-6H,(H,10,11)
SMILES string
OC(=O)c1ccc(cc1)C#C
InChI key
SJXHLZCPDZPBPW-UHFFFAOYSA-N
assay
≥90%
form
powder or crystals
mp
200 °C
functional group
carboxylic acid
storage temp.
2-8°C
Quality Level
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Application
4-Ethynylbenzoic acid may be used in the synthesis of N-(4-ethynylphenylcarbonyl) L-glutamic acid diethyl ester, a precursor for synthesizing glutamic acid-based dendritic helical poly(phenylacetylene)s. It can also be used to prepare zinc porphyrins attached to various cyclic aromatic hydrocarbon substituents, which can act as potential photo-sensitizers for dye-sensitized solar cells (DSSCs). This product was previously listed as CBR01612.
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Enhanced light harvesting with π-conjugated cyclic aromatic hydrocarbons for porphyrin-sensitized solar cells.
Wang CL, et al.
Energy & Environmental Science, 4, 1788-1795 (2011)
Synthesis of Glutamic Acid-based Dendritic Helical Poly(phenylacetylene)s.
Hu Y, et al.
Polymer Journal, 40, 143-147 (2008)
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